Bumper for gun



FIG. 1 is a perspective view of the bumper for gun;

FIG. 2 is a left side elevation view of the bumper for gun;

FIG. 3 is a front elevation view of the bumper for gun;

FIG. 4 is a top plan view of the bumper for gun; and,

FIG. 5 is a bottom plan view of the bumper for gun.

The right side elevation view is a mirror image of the left side elevation view; and

The back elevation view is a mirror image of the front elevation view. 

CLAIM The ornamental design for a bumper for gun, as shown and described. 